Armrest for an automobile



FIG. 1 is a perspective view of an armrest for an automobile showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict boundaries of the claimed design and form no part of the claimed design; the lightened portions within the broken lines depict portions of the armrest for an automobile that form no part of the claimed design. 

CLAIM The ornamental design for an armrest for an automobile, as shown and described. 